OpenTechnical

OT-2026-000087303

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087303) never changes.

Identity and time

Publication numberOT-2026-000087303 · never reused
Internal UUID01a0ae9a-cd4e-7aa9-95cc-60ee85f008d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087303
StatusPUBLIC

Content hashes

Canonical text2af1c58d963fe2369af926116a00fd00ea0bde550cc0a6cef1814756c62012c0
Markdowne939cb6c952a60f8868648ab7d3fd9c7026702ba696053836cff03f442761dfe
PDF
Publication pageeb327a8ecfd8af398dc906b5dbfecdd62477859b46861afaedc693e9452d48ed
Manifest1cae15bd4b505477b389ba58f9341c09fff8f6dd62950ca43d9b327d2634dd8f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureuT/7TEnVttZDs7/Z3f93n+zsrH1mtQnerDGvgsAyf8XC1EgDgWV8wGaR9hVw5ahqF5x2gvLVtX6gGBwkZHxZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:27.727572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303
observed eb327a8ecfd8af398dc906b5dbfecdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.722297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303
observed eb327a8ecfd8af398dc906b5dbfecdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.706959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/manifest.json
observed 1cae15bd4b505477b389ba58f9341c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.699614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/manifest.json
observed 1cae15bd4b505477b389ba58f9341c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.684752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/publication.md
observed e939cb6c952a60f8868648ab7d3fd9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.677802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/publication.md
observed e939cb6c952a60f8868648ab7d3fd9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.662463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/publication.txt
observed 2af1c58d963fe2369af926116a00fd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.657732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087303/publication.txt
observed 2af1c58d963fe2369af926116a00fd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.